package com.sky.service.impl;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.Page;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.dto.EmployeeDTO;
import com.sky.dto.EmployeeLoginDTO;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.entity.Employee;
import com.sky.exception.AccountLockedException;
import com.sky.exception.AccountNotFoundException;
import com.sky.exception.PasswordErrorException;
import com.sky.mapper.EmployeeMapper;
import com.sky.result.PageResult;
import com.sky.service.EmployeeService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;



import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }

        //密码比对
        // TODO 后期需要进行md5加密，然后再进行比对
        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }
    //员工新增
    @Override
    public void addEmployee(EmployeeDTO employeeDTO) {
        //对象里没有密码,创建时间,修改时间
        Employee employee = new Employee();
        //拷贝对象
        BeanUtils.copyProperties(employeeDTO,employee);
        //设置密码
        employee.setPassword("123456");
        //设置创建时间
        LocalDateTime now = LocalDateTime.now();
        employee.setCreateTime(now);
        //设置修改时间
        employee.setUpdateTime(now);
        //设置创建人
        employee.setCreateUser(10L);
        //设置修改用户
        employee.setUpdateUser(1L);
        //设置状态
        employee.setStatus(1);
        employeeMapper.addEmployee(employee);
    }
    //员工分页查询
    @Override
    public PageResult selectEmployee(EmployeePageQueryDTO employeePageQueryDTO) {
        PageHelper.startPage(employeePageQueryDTO.getPage(),employeePageQueryDTO.getPageSize());
        Page<Employee> employees = employeeMapper.selectEmployee(employeePageQueryDTO);
        List<Employee> result = employees.getResult();
        long total = employees.getTotal();
        return new PageResult(total,result);
    }
    //员工禁用
    @Override
    public void disabledEmp(Integer status, Long id) {
        LocalDateTime now = LocalDateTime.now();
        Employee employee = new Employee();
        employee.setUpdateTime(now);
        employee.setId(id);
        employee.setStatus(status);
        employeeMapper.disabledEmp(employee);
    }
    //根据id查询员工
    @Override
    public Employee selectById(Long id) {
        Employee employee = employeeMapper.selectById(id);
        return employee;
    }

    @Override
    public void putEmployee(Employee employee) {
        LocalDateTime now = LocalDateTime.now();
        employee.setUpdateTime(now);
        employee.setUpdateUser(10L);
        employeeMapper.disabledEmp(employee);
    }

}
